38930291 has 8 divisors (see below), whose sum is σ = 39499200. Its totient is φ = 38364480.

The previous prime is 38930263. The next prime is 38930299. The reversal of 38930291 is 19203983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38930291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38930299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36950 + ... + 37988.

It is an arithmetic number, because the mean of its divisors is an integer number (4937400).

Almost surely, 2^38930291 is an apocalyptic number.

38930291 is a deficient number, since it is larger than the sum of its proper divisors (568909).

38930291 is a wasteful number, since it uses less digits than its factorization.

38930291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 38930291 is about 6239.4143154626. The cubic root of 38930291 is about 338.9189742628.

The spelling of 38930291 in words is "thirty-eight million, nine hundred thirty thousand, two hundred ninety-one".